Design and Implementation of a Linear Motor for Multicar Elevators

Onat, Ahmet Mesut; Kazan, E.; Takahashi, Norio; Miyagi, Daisuke; Komatsu, Y.; Markon, Sandor

doi:10.1109/tmech.2009.2031815

Cited by 36 publications

(18 citation statements)

References 15 publications

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“…Using these conditions in (3), only stress tensor T 11 stays relevant on surface a, being given by (4). It is the only function of the magnetic flux density component B 2 , and its negative signal means that T 11 thrusts the superconductor out of air gap, i.e.,…”

Section: B Electromagnetic Forces Acting On the Superconductormentioning

confidence: 99%

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On Using Meissner Effect to Conceive a New Linear Electromagnetic Launcher by Zero-Field-Cooling YBCO Bulk Superconductors

Branco

Almeida

Dente

2014

IEEE Trans. Ind. Electron.

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A new YBCO superconducting linear propulsion system that uses the Meissner effect for thrust is proposed. A YBCO bulk is used in the vehicle, which is excited synchronous with a magnetic field traveling wave. The propulsion system's model is developed using a magnetic circuit method and the Maxwell stress tensor analysis. The vehicle acceleration and thrust force characteristics previewed from that model are verified and analyzed by practical measurements and a set of essays using the prototype built in our laboratory. Major errors came for thermally activated flux creep and current conduction in the YBCO during its passage through the excitation system. The total magnetic field at the superconductor's surface decreases, reducing thrust force. Despite these secondary effects, achieved results show the potential of this new approach for future electric propulsion systems.

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Section: B Electromagnetic Forces Acting On the Superconductormentioning

confidence: 99%

“…M UCH RESEARCH on linear actuators over the years, namely, electromagnetic launchers, focused on using electromagnets and permanent magnets to produce thrust forces [1]- [4]. Recently, smart materials as piezoelectric [5], magnetostrictive [6], and electroactive ionic polymers [7]- [9] have been applied to linear actuators.…”

Section: Introductionmentioning

confidence: 99%

On Using Meissner Effect to Conceive a New Linear Electromagnetic Launcher by Zero-Field-Cooling YBCO Bulk Superconductors

Branco

Almeida

Dente

2014

IEEE Trans. Ind. Electron.

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“…The using of PLC in the controlling part of this system was contributed to reducing the time waste in other elevator systems, because of the electromagnetic actuators and the contact action which they have a large inertia. First of all the model build up using aluminium structure for the outer elevator body, then designing the elevator cabin by considering first of all the number of passengers, the capacity of weight and the tension of the rope [6]. ; all of these will be derived.…”

Section: Constructionmentioning

confidence: 99%

Design and Implementation of an Electrical Lift Controlled using PLC

Ali¹

2018

IJECE

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<span>This paper represents the possibility of controlling an electrical elevator model using PLC and studying some parameters to ensure its work, this model have been designed and constructed to perform a completed elevator work in an automating technique according to its programming and controlling method that making the connecting much more easier and safer than real relays and complicated wiring method. As well as the small DC motor drive (gear box) electrical motor that used to drive the elevator cabinet which made the transition from floor to floor much smoother and much efficient than the traditional elevators.</span>

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“…Linear motors can be used as efficient tool to achieve the high speed and precision for linear motion applications or for different systems where they can replace the rotary electric machines, hydraulic or pneumatic equipments with linear movement. Linear motors are used in automotive suspension [1], wave-energy conversion [2], electrical transport, elevators in high buildings [3,4] or sliding door applications [5]. Ultra-precision applications are also a domain utilization for the linear motors [6].…”

Section: Introductionmentioning

confidence: 99%

Thermal modeling of a linear induction motor used to drive a power supply system for an electric locomotive

Nituca¹,

Chiriac²,

Cuciureanu³

et al. 2018

THERM SCI

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In this article a thermal modeling is developed for a double sided linear induction motor which is used to drive a power supply system for an electric locomotive. Two cases were considered for the linear motor, with full plate armature and with sectioned plate armature. The thermal model has been obtained with Pro/Engineering software package and the mesh of the 3-D thermal model has been done using tetrahedron solid elements types. Experimental validation of the model has been realized too. Errors between the simulations and the experimental data (between 1% and 4%) show that the proposed model can be used for accurate precision of the heat distribution on the linear motor.

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Design and Implementation of a Linear Motor for Multicar Elevators

Cited by 36 publications

References 15 publications

On Using Meissner Effect to Conceive a New Linear Electromagnetic Launcher by Zero-Field-Cooling YBCO Bulk Superconductors

On Using Meissner Effect to Conceive a New Linear Electromagnetic Launcher by Zero-Field-Cooling YBCO Bulk Superconductors

Design and Implementation of an Electrical Lift Controlled using PLC

Thermal modeling of a linear induction motor used to drive a power supply system for an electric locomotive

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